As a result of the industrial revolution a) obtaining energy became more difficult b) profound social and economic changes occurred c) energy use decreased d) humans increasingly relied on wood burning for energy

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper